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Finding the Fourth Proportional to 374,953.86, 562,513.41 and 108,725.49

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Solution

The fourth proportional to 374,953.86, 562,513.41 and 108,725.49 is: 163,112.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,953.86 : 562,513.41 = 108,725.49 : x
  2. Step 2: Convert to fraction form
    374,953.86/562,513.41 = 108,725.49/x
  3. Step 3: Cross multiply
    374,953.86x = 562,513.41 × 108,725.49
  4. Step 4: Simplify right side
    374,953.86x = 61,159,546,133.82
  5. Step 5: Solve for x
    x = 61,159,546,133.82/374,953.86
  6. Step 6: Final answer
    x = 163,112.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.